National LP3852 LP3855 Data Manual
Summary
Discover the LP3852/LP3855 series of fast, ultra low-dropout linear regulators, engineered to deliver stable 1.5A power from +2.5V to +7.0V inputs. Featuring ultralow dropout voltage and minimal quiescent current (down to 10nA), these regulators are ideal for powering sensitive equipment such as microprocessors, DSPs, and battery chargers requiring high reliability. This technical manual provides comprehensive details on performance specifications, available packages (SOT-223/TO-263/TO-220), connection diagrams, and optimized application circuits to ensure seamless integration into your advanced electronic designs.
Manual Details
| Brand | National |
|---|---|
| Pages | 19 |
| File Size | 373.92 KB |
| Published | June 16, 2026 |
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Frequently Asked Questions
What is the required operating input voltage range?
These linear regulators operate from a +2.5V to +7.0V input supply.
How do I improve load regulation at distance?
Use the SENSE pin, as it improves load regulation when powering remote loads.
What is the typical quiescent current in shutdown mode?
The shutdown mode typically has a low current draw of 10nA.
Does this device offer protection features?
Yes, it provides overtemperature/overcurrent protection and includes an Error flag to indicate output status.